/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.opengoofy.index12306.framework.starter.distributedid.core.snowflake;

import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.InitializingBean;

/**
 * 使用随机数获取雪花 WorkId
 * 公众号：马丁玩编程，回复：加群，添加马哥微信（备注：12306）获取项目资料
 */
@Slf4j
public class RandomWorkIdChoose extends AbstractWorkIdChooseTemplate implements InitializingBean {

    @Override
    protected WorkIdWrapper chooseWorkId() {
        int start = 0, end = 31;
        return new WorkIdWrapper(getRandom(start, end), getRandom(start, end));
    }

    @Override
    public void afterPropertiesSet() throws Exception {
        chooseAndInit();
    }

    private static long getRandom(int start, int end) {
        long random = (long) (Math.random() * (end - start + 1) + start);
        return random;
    }
}
